Aquarium Biochemical Filter Sponge 50x50cm – 15/30/40PPI Foam Color:PPI 15 Coarse or as a special personal

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FOTEK SSR-75DA Solid State Relay – Reliable 75A DC-Controlled Switching

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Aquarium Biochemical Filter Sponge 50x50cm – 15/30/40PPI Foam Color:PPI 15 Coarse or as a special personalAquarium Biochemical Filter Sponge 50x50x2cm Keep your aquarium water crystal clear with this high quality biochemical filter sponge. Designed for both freshwater and marine fish tanks, this 50x50cm polyether foam sheet delivers outstanding mechanical and biological filtration in one versatile media. Whether you're running an internal or external filter, this sponge effortlessly traps debris while cultivating beneficial nitrifying bacteria to maintain